/Engine/Source/Editor/EditorFramework/Public/Factories/AssetFactoryInterface.h
For example, for instanced static mesh placement, we'd rebuild the parent component's tree here.
void EndPlacement ( [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FTypedElementHandle](API\Runtime\TypedElementFramework\Elements\Framework\FTypedElementHandle) > InPlacedElements, const [FPlacementOptions](API\Editor\EditorFramework\Subsystems\FPlacementOptions) & InPlacementOptions )